AGN 115 Final Exam Study Guide | 100% Correct Answers | Verified | Latest 2024 Version

"Though there is no single, agreed upon set of factors that should be used to create a metric of sustainability, Drs. Burton and Gliessman both discussed ____ as a useful tool for assessing agroecosystem sustainability based on several dimensions (as opposed to polarizing, mono-dimensional analyses) A. an amoeba-type diagram B. a line graph C. pie chart D. soil texture pyramid - an amoeba-type diagram According to Gliessman, the prevailing modern agricultural system is not sustainable. All of the following are reasons he gives for our unsustainability EXCEPT ___. A. Loss of genetic diversity due to excessive reliance on traditional, local crop varieties B. Dependence on non-renewable inputs like inorganic fertilizer and antibiotics C. Loss of local control over agricultural production D. Damage to hydrological system caused be excessive groundwater use and nutrient pollution - Loss of genetic diversity due to excessive reliance on traditional, local crop varieties In Fresh (2009), Mr. and Mrs. Fox ___ (select all that apply). A. Are independent producers that hatches chicks and grows them to maturity B. Use a breed of chickens that grows quickly and has high feed use efficiency C. use Poultry Litter Treatment, which is toxic and a dangerous health risk D. Do not know much about what's in the feed for the chickens they produce - Use a breed of chickens that grow quickly and has high feed use efficiency Use Poultry Litter Treatment, which is toxic and a dangerous health risk Do not know much about what is in the feed for the chickens they produceT/F: Norman Borlaug greatly increased yields for farmers in Mexico, India and Pakistan using classical breeding techniques to produce a rust-resistant, dwarf wheat variety that was especially responsive to fertilization and irrigation. - True In Fresh, Andrew Kimbrell (Executive Director, The Center for Food Safety) said that new data show that "medium-sized organic [production systems] are far more productive than any sized conventional [production systems]"; however, data from recent university studies show that organic systems are usually ____. A. trick question; no data exists that make this comparison B. Similar to or higher in yield than conventional systems C. Equal to or lower yielding than conventional systems D. Yield more than twice as much as conventional systems - Equal to or lower yielding than conventional systems "Reliance on synthetic or mineral fertilizer." This would normally e associated with: A. Sustainable Agriculture B. Conventional Agriculture - Conventional agriculture Thomas Malthus, an Anglican rector with a good mind for mathematics, became concerned about the inevitability of widespread human misery. In a 1798 essay, he forecast that widespread starvation and conflict would be the result of food production increasing ___ which human reproduction increased ___. A. Geometrically, linearly B. Linearly, arithmetically C. Linearly, exponentially D. Logarithmically, linearly - Linearly, exponentially T/F: Word choice and selection of sources of information are important indicators of potential bias in publication, such as Dr. Gliessman's use of the terms "industrial agriculture" and "pesticide treadmill", and his heavy reliance on the publications of Dr. Pimentel as sources of data. - True The biomass of dead organisms and fecal matter is broken down by ___ and decomposers. (Ch. 2) A. AutotrophsB. Detritivores C. Political appointees